package com.esionet.common.api.resolver;

import com.esionet.common.api.annotation.LoginName;
import com.esionet.common.api.interceptor.AdminInterceptor;
import com.esionet.common.utils.constants.Constant;
import com.esionet.service.SysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.MethodParameter;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

/**
 * 有@LoginUser注解的方法参数，注入当前登录用户
 * @author chenyi
 * @date 2017-03-23 22:02
 */
@Component
public class ApiArgumentResolver implements HandlerMethodArgumentResolver {
    @Autowired
    private SysUserService userService;

    public void setUserService(SysUserService userService) {
        this.userService = userService;
    }

    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.getParameterType().isAssignableFrom(String.class) && parameter.hasParameterAnnotation(LoginName.class);
    }

    @Override
    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer container,
                                  NativeWebRequest request, WebDataBinderFactory factory) throws Exception {
        //获取用户账号
        Object object = request.getAttribute(Constant.CURRENT_SYSTEM_USER, RequestAttributes.SCOPE_REQUEST);
        if(object == null){
            return null;
        }

        //获取用户信息
//        Member member = memberService.get((Integer) object);

        return object;
    }
}
